| Unique ID issued by UMIN | UMIN000060894 |
|---|---|
| Receipt number | R000069581 |
| Scientific Title | Changes in Skin Findings Following the Use of Booster Serum and Serum Alone or in Combination: An Exploratory Randomized Parallel-Group Interventional Study Using VISIA, Dermoscopy, and Questionnaire Assessments |
| Date of disclosure of the study information | 2026/03/11 |
| Last modified on | 2026/03/11 11:47:06 |
A study on changes in skin condition with the use of booster serum and serum alone or in combination
Skin Change Study with Booster and Serum
Changes in Skin Findings Following the Use of Booster Serum and Serum Alone or in Combination: An Exploratory Randomized Parallel-Group Interventional Study Using VISIA, Dermoscopy, and Questionnaire Assessments
Booster and Serum Skin Evaluation RCT
| Japan |
Not applicable (Healthy adults)
| Dermatology | Adult |
Others
NO
To exploratorily evaluate changes in skin condition in healthy adult men and women following the use of an introductory serum and a cosmetic serum, either alone or in combination, using VISIA image analysis, dermoscopy, and questionnaire assessments. This study will obtain preliminary data to inform the design of future comparative trials (including intervention duration, required sample size, and selection of appropriate outcome measures), and will establish objective scientific evidence of product characteristics to support appropriate information provision.
Efficacy
Change from baseline to Day 28 in facial skin parameters (wrinkles, pores, pigmentation, redness, and skin texture) assessed by VISIA image analysis
Change from baseline to Day 28 in dermoscopic skin microstructure findings
Change from baseline to Day 28 in subject-reported skin condition scores assessed by questionnaire
Interventional
Parallel
Randomized
Individual
Open -no one is blinded
Active
3
Treatment
| Other |
Participants will apply the booster serum twice daily (morning and evening) to the entire face after cleansing. After application, they will perform their usual skincare routine. The intervention period will be 28 days. Initiation of new skincare products during the study period will be prohibited.
Participants will apply the serum twice daily (morning and evening) to the entire face after cleansing and application of lotion (toner). After application, they will perform their usual skincare routine. The intervention period will be 28 days. Initiation of new skincare products during the study period will be prohibited.
After cleansing, participants will apply an appropriate amount of the booster serum to the entire face. Subsequently, after applying lotion (toner), they will apply an appropriate amount of the serum to the entire face and then proceed with their usual skincare routine. This procedure will be performed twice daily (morning and evening). The intervention period will be 28 days. Initiation of new skincare products during the study period will be prohibited.
| 20 | years-old | <= |
| 65 | years-old | >= |
Male and Female
To explore changes in skin condition following cosmetic use in healthy adult males and females.
Individuals with a known history of allergy to any ingredients of the investigational products.
Individuals with severe skin diseases (e.g., severe facial eczema, active skin infections).
Pregnant or breastfeeding women, or those highly likely to be pregnant (according to institutional policy).
Individuals planning to undergo medical or cosmetic facial procedures (e.g., laser treatment, chemical peeling, injections) during the study period.
Individuals judged inappropriate for participation by the principal investigator.
30
| 1st name | Kishio |
| Middle name | |
| Last name | Kuroda |
0th CLINIC
Medical Director
103-0027
CAMCO Nihonbashi Building 4F, 2-16-9 Nihonbashi, Chuo-ku Tokyo
03-6281-9280
k.kuroda@0thclinic.com
| 1st name | Mitsuki |
| Middle name | |
| Last name | Irie |
Rainmakers Co., Ltd.
New Business Development Department
103-0027
L.Biz Nihonbashi 4F, 2-9-10 Nihonbashi, Chuo-ku Tokyo
080-4191-0684
m.irie@rainmakers.jp
Rainmakers Co., Ltd.
Rainmakers Co., Ltd.
Profit organization
Nihonbashi Sakura Clinic, Medical Corporation Ouryokukai
Inamura Building 5F, 1-9-2 Nihonbashi Kayabacho, Chuo-ku Tokyo
03-6661-9061
c-irb_ug@neues.co.jp
NO
| 2026 | Year | 03 | Month | 11 | Day |
Unpublished
33
No longer recruiting
| 2026 | Year | 02 | Month | 16 | Day |
| 2026 | Year | 02 | Month | 17 | Day |
| 2026 | Year | 02 | Month | 24 | Day |
| 2026 | Year | 04 | Month | 17 | Day |
| 2026 | Year | 06 | Month | 30 | Day |
| 2026 | Year | 03 | Month | 11 | Day |
| 2026 | Year | 03 | Month | 11 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069581